Define wxDEBUG_LEVEL in both debug and release builds as 1.

By default include assertions and debug logging in both debug and release
builds but disable them in application release builds (when NDEBUG is
defined).

Also update (more accurately, replace) debugging overview.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61886 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/build.h

@@ -15,7 +15,7 @@
 #include "wx/version.h"
 
 // NB: This file contains macros for checking binary compatibility of libraries
-//     in multilib buildm, plugins and user components.
+//     in multilib builds, plugins and user components.
 //     The WX_BUILD_OPTIONS_SIGNATURE macro expands into string that should
 //     uniquely identify binary compatible builds: i.e. if two builds of the
 //     library are binary compatible, their signature string should be the
@@ -42,12 +42,6 @@
         __WX_BO_STRINGIZE(x) "." __WX_BO_STRINGIZE(y) "." __WX_BO_STRINGIZE(z)
 #endif
 
-#ifdef __WXDEBUG__
-    #define __WX_BO_DEBUG "debug"
-#else
-    #define __WX_BO_DEBUG "no debug"
-#endif
-
 #if wxUSE_UNICODE_UTF8
     #define __WX_BO_UNICODE "UTF-8"
 #elif wxUSE_UNICODE_WCHAR
@@ -100,7 +94,7 @@
 // This macro is passed as argument to wxConsoleApp::CheckBuildOptions()
 #define WX_BUILD_OPTIONS_SIGNATURE \
     __WX_BO_VERSION(wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER) \
-    " (" __WX_BO_DEBUG "," __WX_BO_UNICODE \
+    " (" __WX_BO_UNICODE \
      __WX_BO_COMPILER \
      __WX_BO_STL \
      __WX_BO_WXWIN_COMPAT_2_6 __WX_BO_WXWIN_COMPAT_2_8 \